12Pcs Rotary Abrasive Mounted Stone Grinding Tool Grinder Polisher Drill Bits for Sanding Deburring1PACKING LIST: With 12 mounted stone wheel heads and 1 storage box, easy to carry and store, enough for your daily life applications, to meet your replacement needs 2DURABLE MATERIALS: Abrasive stone is made of excellent materials, possess high hardness, good wear resistance, uniform particles, and durable 3VARIOUS SHAPE DESIGNS: Rotary abrasive mounted stone grinding tool has 12 different head shapes, beautifully shaped, which can meet all grinding needs and can also sharpen hard materials 4WIDELY USED: Polished stone is suitable for polishing and grinding various objects, such as stone, glass, metal, stainless steel, gem stone, ceramics, etc., after polishing the surface is cleaner and brighter 5PROFESSIONAL GRADE TOOLS: These polishing sand needles are designed for professional use, but also great for DIY enthusiasts. Whether you are working on a small project or a big task, these tools will meet your polishing and grinding needs with accuracy